package tcp;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.util.CharsetUtil;

import java.util.UUID;

public class MyClientHander extends SimpleChannelInboundHandler<ByteBuf> {
    private int count;

    @Override
    protected void channelRead0(ChannelHandlerContext channelHandlerContext, ByteBuf msg) throws Exception {
        byte[] bytes = new byte[msg.readableBytes()];
        msg.readBytes(bytes);
        String s = new String(bytes, CharsetUtil.UTF_8);
        System.out.println("客户端接收消息：" + channelHandlerContext.channel().remoteAddress() + s);
        System.out.println("客户端接收消息数量 = " + (++this.count));
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        cause.printStackTrace();
        ctx.close();
    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        for (int i = 0; i <= 10; i++) {
            ByteBuf byteBuf = Unpooled.copiedBuffer("hello server" + i, CharsetUtil.UTF_8);
            ctx.writeAndFlush(byteBuf);
        }
    }
}
